Hello please help I'm in a rush it's a math test so please help

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !